7 Assembly line conveyor machinery; Assembly lines, namely, a series of machines for assembling batteries in successive stages; Assembly lines, namely, a series of machines for assembling engines in successive stages; Assembly lines, namely, a series of machines for assembling automobiles in successive stages; Belts for conveyors; Industrial robots; Loading and unloading machines; Machine tools for assembling gearboxes and driving motors; Metal clamps used for holding piece parts on machine tool tables; Metalworking machines